Resubmissions

11/10/2024, 09:26

241011-leelcawcpg10

25/06/2024, 13:03

240625-qata6avanq10

25/06/2024, 13:01

240625-p87e1athqp10

25/06/2024, 12:57

240625-p7d23atgqn10

25/06/2024, 12:54

240625-p5krtstfrk10

25/06/2024, 12:54

240625-p5e7ca1cmg

25/06/2024, 12:45

240625-py935szhpd10

25/06/2024, 12:32

240625-pq3n4ashnk10

General

  • Target
    Nursultan NextGen Crack.exe
  • Size 213KB
  • Sample240625-py935szhpd
  • SHA256 e766bc3bd8513eadc0d54e511049f1d35bc5c503aeef6cd38aa500d39d66da11
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

C2
  • seems-poet.gl.at.ply.gg:30996

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    ratka.exe

Targets

    • Target
      Nursultan NextGen Crack.exe
    • Size 213KB
    • SHA256 e766bc3bd8513eadc0d54e511049f1d35bc5c503aeef6cd38aa500d39d66da11
    • MD5 SHA1 SHA512 SSDEEP
    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks